MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
C21 Systems Ltd
MAC address prefix 70:B3:D5:7E:4 is registered to C21 Systems Ltd, located at Dunston Innovation CentreChesterfield Derbyshire S41 8NGGB.
This registration is classified as MA-S (Mac Address Block Small, formerly known as OUI-36) containing approximately 4096 MAC addresses per block
The prefix was initially registered on 29 April 2015, with the most recent update made on 18 February 2016.
OUI: 70:B3:D5:7E:4
Vendor name: C21 Systems Ltd
Address:
Assignment Type MA-S Dunston Innovation Centre
Chesterfield Derbyshire S41 8NG
GB.
Mac Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)
Last updated: 18 February 2016
Initial registration: 29 April 2015
